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Diffstat (limited to 'include/uapi/linux/openvswitch.h')
-rw-r--r--include/uapi/linux/openvswitch.h62
1 files changed, 56 insertions, 6 deletions
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index c55efaaa9bb..0b979ee4bfc 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -1,6 +1,6 @@
/*
- * Copyright (c) 2007-2011 Nicira Networks.
+ * Copyright (c) 2007-2013 Nicira, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
@@ -40,7 +40,15 @@ struct ovs_header {
#define OVS_DATAPATH_FAMILY "ovs_datapath"
#define OVS_DATAPATH_MCGROUP "ovs_datapath"
-#define OVS_DATAPATH_VERSION 0x1
+
+/* V2:
+ * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES
+ * when creating the datapath.
+ */
+#define OVS_DATAPATH_VERSION 2
+
+/* First OVS datapath version to support features */
+#define OVS_DP_VER_FEATURES 2
enum ovs_datapath_cmd {
OVS_DP_CMD_UNSPEC,
@@ -63,15 +71,19 @@ enum ovs_datapath_cmd {
* not be sent.
* @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
* datapath. Always present in notifications.
+ * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the
+ * datapath. Always present in notifications.
*
* These attributes follow the &struct ovs_header within the Generic Netlink
* payload for %OVS_DP_* commands.
*/
enum ovs_datapath_attr {
OVS_DP_ATTR_UNSPEC,
- OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
- OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
- OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
+ OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
+ OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
+ OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
+ OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */
+ OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */
__OVS_DP_ATTR_MAX
};
@@ -84,6 +96,14 @@ struct ovs_dp_stats {
__u64 n_flows; /* Number of flows present */
};
+struct ovs_dp_megaflow_stats {
+ __u64 n_mask_hit; /* Number of masks used for flow lookups. */
+ __u32 n_masks; /* Number of masks for the datapath. */
+ __u32 pad0; /* Pad for future expension. */
+ __u64 pad1; /* Pad for future expension. */
+ __u64 pad2; /* Pad for future expension. */
+};
+
struct ovs_vport_stats {
__u64 rx_packets; /* total packets received */
__u64 tx_packets; /* total packets transmitted */
@@ -95,6 +115,9 @@ struct ovs_vport_stats {
__u64 tx_dropped; /* no space available in linux */
};
+/* Allow last Netlink attribute to be unaligned */
+#define OVS_DP_F_UNALIGNED (1 << 0)
+
/* Fixed logical ports. */
#define OVSP_LOCAL ((__u32)0)
@@ -165,6 +188,7 @@ enum ovs_vport_type {
OVS_VPORT_TYPE_NETDEV, /* network device */
OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
OVS_VPORT_TYPE_GRE, /* GRE tunnel. */
+ OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */
__OVS_VPORT_TYPE_MAX
};
@@ -211,6 +235,16 @@ enum ovs_vport_attr {
#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
+/* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
+ */
+enum {
+ OVS_TUNNEL_ATTR_UNSPEC,
+ OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */
+ __OVS_TUNNEL_ATTR_MAX
+};
+
+#define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1)
+
/* Flows. */
#define OVS_FLOW_FAMILY "ovs_flow"
@@ -248,6 +282,8 @@ enum ovs_key_attr {
OVS_KEY_ATTR_ND, /* struct ovs_key_nd */
OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */
OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */
+ OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */
+ OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */
#ifdef __KERNEL__
OVS_KEY_ATTR_IPV4_TUNNEL, /* struct ovs_key_ipv4_tunnel */
@@ -322,6 +358,11 @@ struct ovs_key_udp {
__be16 udp_dst;
};
+struct ovs_key_sctp {
+ __be16 sctp_src;
+ __be16 sctp_dst;
+};
+
struct ovs_key_icmp {
__u8 icmp_type;
__u8 icmp_code;
@@ -354,7 +395,9 @@ struct ovs_key_nd {
* @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
* the actions to take for packets that match the key. Always present in
* notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
- * %OVS_FLOW_CMD_SET requests.
+ * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without
+ * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions,
+ * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given.
* @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
* flow. Present in notifications if the stats would be nonzero. Ignored in
* requests.
@@ -368,6 +411,12 @@ struct ovs_key_nd {
* @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
* last-used time, accumulated TCP flags, and statistics for this flow.
* Otherwise ignored in requests. Never present in notifications.
+ * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the
+ * mask bits for wildcarded flow match. Mask bit value '1' specifies exact
+ * match with corresponding flow key bit, while mask bit value '0' specifies
+ * a wildcarded match. Omitting attribute is treated as wildcarding all
+ * corresponding fields. Optional for all requests. If not present,
+ * all flow key bits are exact match bits.
*
* These attributes follow the &struct ovs_header within the Generic Netlink
* payload for %OVS_FLOW_* commands.
@@ -380,6 +429,7 @@ enum ovs_flow_attr {
OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
+ OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */
__OVS_FLOW_ATTR_MAX
};